.page-contact {
  --cc-gap: clamp(1.1rem, 2.6vw, 1.9rem);
  --cc-radius: 20px;
  --cc-violet: #8A7BFF;
  --cc-shadow: 0 26px 60px rgba(3, 6, 24, .55);
}

/* 面包屑 */
.page-contact .breadcrumb {
  margin: 1.1rem 0 .2rem;
  font-size: var(--fs-12);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(.6rem, 2vw, 1.2rem);
}

.page-contact .contact-hero__head {
  max-width: 74ch;
  margin-bottom: var(--cc-gap);
}

.page-contact .contact-hero__title {
  margin: .4rem 0 1rem;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap);
}

/* 联系面板 */
.page-contact .channel-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--cc-radius);
  border: 1px solid var(--line-strong);
  background: var(--c-panel);
  box-shadow: var(--cc-shadow);
}

.page-contact .channel-panel__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .channel-panel__bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  opacity: .3;
  filter: saturate(.6) contrast(1.08) brightness(.85);
}

.page-contact .channel-panel__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 4% 0%, rgba(53, 242, 214, .18), transparent 62%),
    linear-gradient(160deg, rgba(25, 26, 78, .82) 0%, rgba(7, 48, 44, .94) 52%, rgba(10, 16, 48, .97) 100%);
}

.page-contact .channel-panel__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.6rem);
  padding: clamp(1.2rem, 3vw, 2.2rem);
}

.page-contact .channel {
  padding-top: clamp(1rem, 2.4vw, 1.5rem);
  border-top: 1px solid var(--line);
}

.page-contact .channel:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .channel__label {
  margin: 0 0 .45rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-contact .channel__value {
  margin: 0 0 .6rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.02rem, 2.9vw, 1.62rem);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--c-cyan);
  text-shadow: 0 0 24px rgba(53, 242, 214, .35);
  word-break: break-all;
}

.page-contact .channel__note {
  max-width: 52ch;
  margin: 0 0 .95rem;
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-text);
}

/* 首屏侧栏 */
.page-contact .contact-hero__side {
  display: grid;
  gap: var(--cc-gap);
  align-content: start;
}

.page-contact .quick-list {
  list-style: none;
  margin: 0;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(8px);
  display: grid;
  gap: .9rem;
}

.page-contact .quick-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .7rem;
  align-items: start;
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-text);
}

.page-contact .quick-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: .62em;
  border-radius: 50%;
  background: var(--c-cyan);
  box-shadow: 0 0 12px rgba(53, 242, 214, .85);
}

.page-contact .quick-note {
  margin: 0;
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-radius: 18px;
  border: 1px solid rgba(255, 138, 43, .3);
  background: linear-gradient(150deg, rgba(255, 138, 43, .13), rgba(255, 138, 43, .03));
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-text);
}

.page-contact .quick-note .label {
  display: block;
  margin-bottom: .5rem;
  color: var(--c-orange);
}

/* ---------- 需求分流 ---------- */
.page-contact .filter-bar {
  margin-bottom: clamp(1rem, 2.4vw, 1.6rem);
}

.page-contact .demand-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(.9rem, 2.2vw, 1.3rem);
}

.page-contact .demand-card {
  position: relative;
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: clamp(1.05rem, 2.4vw, 1.45rem) clamp(1.05rem, 2.4vw, 1.45rem) clamp(1.05rem, 2.4vw, 1.45rem) clamp(1.25rem, 2.6vw, 1.7rem);
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-contact .demand-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--c-cyan);
  box-shadow: 0 0 18px rgba(53, 242, 214, .55);
}

.page-contact .demand-card[data-tags*="订阅开通"]::before {
  background: var(--c-orange);
  box-shadow: 0 0 18px rgba(255, 138, 43, .5);
}

.page-contact .demand-card[data-tags*="媒体引用"]::before {
  background: var(--c-yellow);
  box-shadow: 0 0 18px rgba(255, 211, 77, .45);
}

.page-contact .demand-card[data-tags*="合作洽谈"]::before {
  background: var(--cc-violet);
  box-shadow: 0 0 18px rgba(138, 123, 255, .5);
}

.page-contact .demand-card__num {
  color: var(--c-muted);
}

.page-contact .demand-card__title {
  margin: 0;
  font-size: var(--fs-22);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-contact .demand-card__who {
  margin: 0;
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-text);
}

.page-contact .demand-card__sub {
  margin: .3rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--c-cyan);
}

.page-contact .demand-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .4rem;
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-text);
}

.page-contact .demand-card__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .5rem;
}

.page-contact .demand-card__list li::before {
  content: "/";
  font-family: var(--font-mono);
  color: var(--c-muted);
}

.page-contact .demand-card__link {
  margin-top: .35rem;
  justify-self: start;
  font-size: var(--fs-14);
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .demand-card__link:hover {
  color: var(--c-text);
  border-bottom-color: var(--c-cyan);
}

/* ---------- 观众反馈 ---------- */
.page-contact .feedback-grid {
  align-items: start;
}

.page-contact .feedback-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: fstep;
}

.page-contact .feedback-flow li {
  position: relative;
  padding: 0 0 1.5rem 3.1rem;
}

.page-contact .feedback-flow li:last-child {
  padding-bottom: 0;
}

.page-contact .feedback-flow li::before {
  counter-increment: fstep;
  content: counter(fstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  color: var(--c-ink);
  background: var(--c-cyan);
  box-shadow: var(--glow-cyan);
}

.page-contact .feedback-flow li::after {
  content: "";
  position: absolute;
  left: calc(1rem - .5px);
  top: 2.3rem;
  bottom: .3rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(53, 242, 214, .6), rgba(53, 242, 214, 0));
}

.page-contact .feedback-flow li:last-child::after {
  display: none;
}

.page-contact .feedback-flow h3 {
  margin: 0 0 .35rem;
  font-size: var(--fs-17);
  font-weight: 800;
  color: var(--c-text);
}

.page-contact .feedback-flow p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-muted);
}

.page-contact .feedback-template {
  display: grid;
  gap: .8rem;
  align-content: start;
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  border-radius: 18px;
  border: 1px solid rgba(53, 242, 214, .3);
  background: var(--c-teal);
}

.page-contact .feedback-template .label {
  color: var(--c-cyan);
}

.page-contact .feedback-template__body {
  margin: 0;
  padding: .95rem 1.05rem;
  border-radius: 12px;
  border: 1px dashed var(--line);
  background: rgba(10, 16, 48, .6);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.95;
  color: var(--c-text);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}

.page-contact .feedback-template__hint {
  margin: 0;
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-muted);
}

.page-contact .feedback-template .btn {
  justify-self: start;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .contact-partner__panel {
  padding: clamp(1.4rem, 3.4vw, 2.6rem);
  border-radius: 22px;
  border: 1px solid rgba(255, 138, 43, .26);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 138, 43, .16), transparent 58%),
    linear-gradient(140deg, var(--c-wine) 0%, var(--c-ink) 88%);
}

.page-contact .partner-grid {
  align-items: start;
  gap: var(--cc-gap);
}

.page-contact .partner-intro .section-title {
  margin: .35rem 0 1rem;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.2;
}

.page-contact .partner-intro__text {
  margin: 0 0 .9rem;
  max-width: 54ch;
  font-size: var(--fs-17);
  line-height: var(--lh-body);
  color: var(--c-text);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .7rem;
  align-content: start;
}

.page-contact .partner-list li {
  padding: .85rem 1.05rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: var(--glass);
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-text);
}

.page-contact .partner-list strong {
  display: block;
  margin-bottom: .25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--c-orange);
}

/* ---------- 联系信息 ---------- */
.page-contact .info-list {
  margin: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--line);
}

.page-contact .info-row {
  display: grid;
  gap: .4rem;
  padding: 1rem 1.15rem;
  background: var(--c-panel);
}

.page-contact .info-row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--c-muted);
}

.page-contact .info-row__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(.98rem, 2.4vw, 1.14rem);
  line-height: 1.5;
  color: var(--c-text);
  word-break: break-word;
}

.page-contact .info-row__act {
  margin: 0;
}

.page-contact .contact-info__media {
  margin: 0;
}

.page-contact .info-bar {
  margin-top: clamp(1.2rem, 3vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.6rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--glass);
  font-size: var(--fs-14);
  line-height: var(--lh-mid);
  color: var(--c-muted);
}

.page-contact .info-bar__hint a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .info-bar__hint a:hover {
  color: var(--c-text);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .demand-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .info-row {
    grid-template-columns: 7.5rem minmax(0, 1fr) auto;
    align-items: center;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }

  .page-contact .contact-hero__side {
    align-content: stretch;
  }
}

@media (min-width: 1080px) {
  .page-contact .info-grid {
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .demand-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-contact .channel__value {
    font-size: 1rem;
  }

  .page-contact .feedback-flow li {
    padding-left: 2.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .demand-card,
  .page-contact .channel-panel {
    transition: none;
  }
}
<<<END>>>